FPCN39 CWLW 211500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY 21 NOVEMBER 1999 FOR TODAY. VENTILATION INDICES AND MIXING HEIGHTS. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/HR. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. SOUTHERN INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FRSR CANYON 32/POOR 471 11 100/GOOD 1709 12 100/GOOD 829 20 KAMLOOPS 30/POOR 586 14 100/GOOD 1770 13 100/GOOD 1309 25 OKANAGAN 57/GOOD 953 11 100/GOOD 1417 13 100/GOOD 1256 24 CASTLEGAR 36/FAIR 860 9 97/GOOD 1174 16 100/GOOD 1628 13 CRANBROOK 26/POOR 1194 10 50/FAIR 1473 18 100/GOOD 2098 15 REVELSTOKE 21/POOR 792 3 100/GOOD 1586 10 73/GOOD 1123 13 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 11 W 26 W 50 CRANBROOK W 20 W 52 CENTRAL INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) QUESNEL 16/POOR 613 6 98/GOOD 1386 15 29/POOR 674 25 100 MILE 23/POOR 1118 7 100/GOOD 1911 12 100/GOOD 1630 32 WILLIAMS LK 21/POOR 1072 5 62/GOOD 1497 15 48/FAIR 1176 32 PUNTZI MNT 24/POOR 1033 13 100/GOOD 2061 20 100/GOOD 1592 28 PR. GEORGE 34/FAIR 930 5 80/GOOD 1415 16 16/POOR 756 20 BURNS LAKE 18/POOR 798 10 100/GOOD 1374 23 100/GOOD 1412 17 SMITHERS 14/POOR 568 8 100/GOOD 1312 21 83/GOOD 1122 14 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 39 W 44 SMITHERS SW 30 W 39 NORTHERN BC/YUKON *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FT NLSN 12/POOR 395 13 12/POOR 409 13 12/POOR 443 5 FT STJOHN 14/POOR 729 12 16/POOR 751 27 17/POOR 746 32 WHITEHORSE 13/POOR 724 17 12/POOR 718 25 12/POOR 718 22 DAWSON 15/POOR 411 11 13/POOR 393 23 20/POOR 458 20 WATSON LAKE 12/POOR 704 3 12/POOR 727 7 12/POOR 731 3 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 22 W 44 WATSON LAKE W 41 W 35 WHITEHORSE SW 30 SW 37 MAYO W 31 W 35 COAST *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) VANCOUVER 40/FAIR 231 24 100/GOOD 750 24 66/GOOD 265 41 FRASER VLY 21/POOR 198 14 86/GOOD 836 17 100/GOOD 717 30 SRN VRISL 45/FAIR 265 22 53/FAIR 404 17 31/POOR 145 29 CNTRL VRISL 36/FAIR 244 22 100/GOOD 964 16 62/GOOD 368 24 NRN VRISL 26/POOR 179 18 53/FAIR 499 16 13/POOR 42 13 TERRACE 30/POOR 450 11 53/FAIR 619 15 43/FAIR 583 14 STEWART 22/POOR 176 11 19/POOR 100 17 17/POOR 100 11 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 11 SW 17 SW 33 SANDSPIT SW 35 SW 39 SW 41 PORT HARDY SW 27 SW 33 SW 33 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^